Dynamics of Poly(ethylene oxide) around Its Melting Temperature
Publication type: Journal Article
Publication date: 2013-08-28
scimago Q1
wos Q1
SJR: 1.352
CiteScore: 9.0
Impact factor: 5.2
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
This study has focused on the ionic conductivity (of impurities) and the changes in relaxation behavior of semicrystalline poly(ethylene oxide) (PEO) around its melting temperature of the crystalline regions. Our main aim was to understand the implications of nucleation and growth of spherulitic structures on the general dynamical properties of the polymer chains and how these dynamical alterations affect the ionic conductivity. Impedance data have been scaled and analyzed under conductivity and modulus formalisms over wide ranges of frequency and temperature. The analysis of the scaled formalisms indicates that both the conductivity and the structural relaxation mechanisms are temperature independent above the melting point of PEO. However, below the melting, point, the slow crystallization of PEO leads to growth of spherulites and also to the formation of interphase regions. These morphological changes result in a hindered long-range dc conductivity, which, in turn, leads to a decoupling of the dc conductivity and the structural relaxation below the melting point of PEO.
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Citations from 2024:
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Money B. K., Swenson J. Dynamics of Poly(ethylene oxide) around Its Melting Temperature // Macromolecules. 2013. Vol. 46. No. 17. pp. 6949-6954.
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Money B. K., Swenson J. Dynamics of Poly(ethylene oxide) around Its Melting Temperature // Macromolecules. 2013. Vol. 46. No. 17. pp. 6949-6954.
Cite this
RIS
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TY - JOUR
DO - 10.1021/ma4003598
UR - https://doi.org/10.1021/ma4003598
TI - Dynamics of Poly(ethylene oxide) around Its Melting Temperature
T2 - Macromolecules
AU - Money, Benson K
AU - Swenson, J.
PY - 2013
DA - 2013/08/28
PB - American Chemical Society (ACS)
SP - 6949-6954
IS - 17
VL - 46
SN - 0024-9297
SN - 1520-5835
ER -
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BibTex (up to 50 authors)
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@article{2013_Money,
author = {Benson K Money and J. Swenson},
title = {Dynamics of Poly(ethylene oxide) around Its Melting Temperature},
journal = {Macromolecules},
year = {2013},
volume = {46},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/ma4003598},
number = {17},
pages = {6949--6954},
doi = {10.1021/ma4003598}
}
Cite this
MLA
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Money, Benson K., and J. Swenson. “Dynamics of Poly(ethylene oxide) around Its Melting Temperature.” Macromolecules, vol. 46, no. 17, Aug. 2013, pp. 6949-6954. https://doi.org/10.1021/ma4003598.